Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1990. 22p.
Author(s): Thiele, Gisela.- 1990. 24p.
Author(s): Starke, Kurt; Weller, Konrad; Starke, Uta; Schmidt, Katja.- 1989. 32p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1989. 21p.